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Finding the Fourth Proportional to 354,820.20, 531,452.70 and 308,164.20

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Solution

The fourth proportional to 354,820.20, 531,452.70 and 308,164.20 is: 461,570.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,820.20 : 531,452.70 = 308,164.20 : x
  2. Step 2: Convert to fraction form
    354,820.20/531,452.70 = 308,164.20/x
  3. Step 3: Cross multiply
    354,820.20x = 531,452.70 × 308,164.20
  4. Step 4: Simplify right side
    354,820.20x = 163,774,696,133.34
  5. Step 5: Solve for x
    x = 163,774,696,133.34/354,820.20
  6. Step 6: Final answer
    x = 461,570.95

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